21339297

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5741}}^1$

素因数の和:5813

約数の個数: 24

約数和(自身を含む): 35830080

約数和(自身を除く): 14490783

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5741, 17223, 40187, 51669, 120561, 338719, 361683, 1016157, 2371033, 3048471, 7113099, 21339297]

約数ペア:

[(1, 21339297), (3, 7113099), (7, 3048471), (9, 2371033), (21, 1016157), (59, 361683), (63, 338719), (177, 120561), (413, 51669), (531, 40187), (1239, 17223), (3717, 5741)]